DOFMaster for iPhone and iPod touch
Use DOFMaster to calculate the
depth of field in your photographs.
You'll be able to select the lens
and f/stop combination that provides
the zone of sharpness you need.
Use it to calculate the hyperfocal
distance for landscape photography.
Web Application - Go to http://iphone.dofmaster.com on your iPhone
or iPod touch to use the web app. (That link only works for the iPhone and iPod touch. Click here
if you are using any other web browser.)